-2 (x - 5) plssss helppp

Answer:

Step-by-step explanation:

you are going to give more info ?????

There is an 11/15, or around 0.733, chance that you won't be a hobbit or wear an umbrella.

Since, A total of 3 x 5 = 15 outcomes are possible given the presence of 3 characters and 5 defense mechanisms.

There are three scenarios if the character is a hobbit (hobbit with magic, hobbit with sword, and hobbit with shield), three scenarios where the tool is an umbrella (any character with an umbrella), and one scenario where neither.

As a result, there are the following number of possibilities where neither the character nor the tool is a hobbit:

15 - 3 - 1 = 11

One of these 11 outcomes is likely to occur at a rate of:

= 11/15

As a result, there is an 11/15, or around 0.733, chance that you won't be a hobbit or wear an umbrella.

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0.1 for the top left, 0.2 for bottom middle

Answer: the answer is c I think

The suggest that the method is effective.

Assuming different groups of couples use a particular method of gender selection and each couple gives birth to one baby, the probability of a girl is 0.5, and the groups consist of 17 couples, then:

a. The mean is μ= 8.5, and the standard deviation is σ= 3.5.

b. The values separating results that are significantly low or significantly high are 8.5 girls or fewer are significantly low, and 11.5 girls or greater are significantly high.

c. The result of 15 girls is significantly high, because 15 girls is greater than 11.5 girls. This would suggest that the method is effective.

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Answer:

First, we can use the information given to find out how many people can be seated at one table:

Next, we can use the information given to find out how many people can be seated in a row of tables:

Using this information, we can find out how many people can be seated in a row of any number of tables:

So, if 3 tables are placed together in a row, 15 people can be seated. If 4 tables are placed together in a row, 20 people can be seated. If 5 tables are placed together in a row, 25 people can be seated.

The pattern we notice is that the number of people seated in a row of tables increases by 5 for each additional table added.

To summarize, the equation that would help find the number of people seated for any number of tables is:

Number of people seated = 5x, where x is the number of tables placed together in a row.

Answer:

we are given that

6 people can sit together at 1 rectangular table.

2 tables are placed together, 10 people can sit together.

14 people can sit if three tables are put together.

It mean we get a sequence

6,10,14..........

So its making an arithmetic progression, where

First term=a=6

Common difference

Number of terms=number of table

As we know the nth term is given by the formula

Hence 402 people can sit

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Answer:

The perimeter of a rectangle is given by:

P = 2(L + W)

where P is the perimeter, L is the length, and W is the width.

In this case, we know that P = 270 cm and L = 90 cm, so we can solve for W as follows:

270 = 2(90 + w)

Divide both sides by 2:

135 = 90 + w

Subtract 90 from both sides:

w = 45

Therefore, the width of the map is 45 cm.

Step-by-step explanation:

From the given information provided, the solution to the given trigonometric inequality is (π/4, 5π/4).

To solve the inequality sin(x) > cos(x) over the interval 0 ≤ x ≤ 2π radians, we can use the following steps:

Rewrite the inequality in terms of tangent:

Divide both sides by cos(x) to get:

tan(x) > 1

Find the solutions of the equation tan(x) = 1:

tan(x) = 1 when x = π/4 or x = 5π/4.

Check the sign of tangent in the intervals between the solutions:

We need to check the sign of tan(x) for x values in the following intervals:

(0, π/4), (π/4, 5π/4), and (5π/4, 2π).

In the interval (0, π/4), tan(x) is positive and less than 1.

In the interval (π/4, 5π/4), tan(x) is positive and greater than 1.

In the interval (5π/4, 2π), tan(x) is negative and less than -1.

Determine the solution set:

Since we are looking for x values that satisfy tan(x) > 1, the only interval that contains such values is (π/4, 5π/4). Therefore, the solution to the inequality sin(x) > cos(x) over the interval 0 ≤ x ≤ 2π radians is:

π/4 < x < 5π/4

In interval notation, we can write:

(π/4, 5π/4)

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As per the given coordinates, dimensions of the rectangle are √13 x √13.

One way to do this is to find the distance between two parallel sides of the parallelogram. In this case, we can look at sides AB and CD, which are parallel to each other.

The distance between points A and B is the

=> √((3-1)² + (2-(-1))²) = √13

which simplifies to the square root of 13. Similarly, the distance between points C and D is the

=> √((1-(-1))² + (3-0)²) = √13.

Therefore, the length of the rectangle is the distance between sides AB and CD, which is the square root of 13.

Therefore, the width of the rectangle is 2 units. So the dimensions of the rectangle are 2 units by the square root of 13 units.

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Answer:

4 units by 4 units

Step-by-step explanation:

i got it correct on edg :)

Therefore, the smallest positive integer with at least 8 odd factors and at least 16 even factors is N = 1800.

In mathematics, combination is a way to count the number of possible selections of k objects from a set of n distinct objects, without regard to the order in which they are selected.

The number of combinations of k objects from a set of n objects is denoted by [tex]nCk[/tex] or [tex]C(n,k),[/tex] and is given by the formula:

[tex]nCk = n! / (k! *(n-k)!)[/tex]

where n! denotes the factorial of n, i.e., the product of all positive integers up to n.

by the question.

Now, let's consider the parity (evenness or oddness) of the factors of N. A factor of N is odd if and only if it has an odd number of factors of each odd prime factor of N. Similarly, a factor of N is even if and only if it has an even number of factors of each odd prime factor of N. Therefore, the condition that N has at least 8 odd factors and at least 16 even factors can be expressed as:

[tex](a_{1} +1) * (a_{2} +1) * ... * (an+1) = 8 * 2^{16}[/tex]

Let's consider the factor 2 separately. Since N has at least 16 even factors, it must have at least 16 factors of 2. Therefore, we have a_i >= 4 for at least one prime factor p_i=2. Let's assume without loss of generality that p[tex]1=2[/tex] and [tex]a1 > =4.[/tex]

Now, let's consider the remaining prime factors of N. Since N has at least 8 odd factors, it must have at least 8 factors that are not divisible by 2. Therefore, the product (a2+1) * ... * (an+1) must be at least 8. Let's assume without loss of generality that n>=2 (i.e., N has at least three distinct prime factors).

Since a_i >= 4 for i=1, we have:

[tex]N > = 2^4 * p2 * p3 > = 2^4 * 3 * 5 = 240[/tex]

Let's now try to find the smallest such N. To minimize N, we want to make the product (a2+1) * ... * (an+1) as small as possible. Since 8 = 2 * 2 * 2, we can try to distribute the factors 2, 2, 2 among the factors (a2+1), (a3+1), (a4+1) in such a way that their product is minimized. The only possibility is:

[tex](a2+1) = 2^2, (a3+1) = 2^1, (a4+1) = 2^1[/tex]

This gives us:

[tex]N = 2^4 * 3^2 * 5^2 = 1800[/tex]

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The numbers that are solutions to the inequality w < 1 are: -1.3, -5 and 0

Numbers 5 and 0.9 are not solutions to the inequality because they are greater than or equal to 1. An inequality is a statement that compares two quantities or expressions using a mathematical symbol indicating their relative sizes. Inequalities are used to describe a range of values or solutions, rather than a single solution, and are often represented on a number line. Inequalities are commonly used in algebra, calculus, and other areas of mathematics, as well as in science, economics, and engineering. Solving inequalities involves finding all possible values of the variable that satisfy the inequality. This can be done by applying algebraic operations and graphing techniques to isolate the variable and determine the appropriate range of values.

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Using the unitary method we calculate that the friend would be 20 miles closer in an hour.

If you are running towards a faraway friend at a speed of 5 miles per hour and she is biking towards you at 15 miles per hour, According to relative motion's concept, the total speed at which you are approaching each other is:

5 miles / hour - (- 15 miles / hour) = 20 miles / hour

Also, we know that

speed= distance/time according to which, after 1 hour, you and your friend would have closed the distance by,

20 miles/hour × 1 hour = 20 miles

Therefore, you would be 20 miles closer to each other after 1 hour.

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In order to decrease the insurance premium, the insurance company should charge an ordinary deductible of $18,400.

The expected insurance payment without a deductible is the full value of the damage, or $46,000.

With a deductible.

The expected insurance payment would be 60% of that, or $27,600.

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Answer:

Step-by-step explanation:

A graph is proportional if the relationship between the two variables represented on the axes is constant, meaning that if one variable increases, the other variable also increases by the same factor. In other words, the graph forms a straight line that passes through the origin.

To find the unit rate, you need to look for the constant of proportionality, which is the ratio between the two variables represented on the graph. In this case, the variables are the number of books purchased and the cost in dollars.

If the graph is proportional, then the unit rate is the constant of proportionality, which is the cost per book. You can find the unit rate by dividing the total cost by the number of books purchased. For example, if the total cost for 4 books is $16, then the unit rate would be $4 per book.

If the graph is not proportional, then there is no constant of proportionality, and the unit rate cannot be calculated. The relationship between the two variables may be nonlinear, meaning that the rate of change between the variables is not constant.

The total number of marbles in the bag is[tex]8 + 3 + 8 = 19[/tex]. We can represent the sample space as follows:

[tex]S = {(R, R), (R, B), (R, Y), (B, R), (B, B), (B, Y), (Y, R), (Y, B), (Y, Y)}[/tex]

Note that the sample space contains 9 elements.

The experiment involves selecting two marbles (without replacement) from a bag containing eight red marbles (denoted by R), three blue marbles (denoted by B), and eight yellow marbles (denoted by Y).

The sample space of the experiment is the set of all possible outcomes.

Each outcome is represented by an ordered pair of the colors of the two marbles selected. Since we are selecting two marbles without replacement, the order in which we select the marbles matters. Hence, we use ordered pairs to represent each outcome.

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a) P-value = P(z<1.47) = 0.9292.

b) P-value = P(z>2.70) = 0.0036.

c) P-value = 2 × P(z>2.70) = 0.0072.

d) P-value = P(z>2.5) = 0.0062.

Z-test is a statistical test for the null hypothesis, which refers to the population mean, where the population standard deviation is known. P-value represents the probability value for any hypothesis, where a small p-value indicates that the null hypothesis is less accurate.

P-value, for the given values of z-test is calculated as follows: a) For ha: p < .6, z=1.47The p-value for this hypothesis test is calculated as follows: P-value = P(z<1.47) = 0.9292. Therefore, the P-value is 0.9292. b) For ha: p > .6, z=2.70The p-value for this hypothesis test is calculated as follows.

P-value = P(z>2.70) = 0.0036. Therefore, the P-value is 0.0036.c) For ha: p ≠ .6, z=2.70The p-value for this hypothesis test is calculated as follows: P-value = 2 × P(z>2.70) = 0.0072.

Therefore, the P-value is 0.0072.d) For ha: p > .6, z=2.5The p-value for this hypothesis test is calculated as follows: P-value = P(z>2.5) = 0.0062. Therefore, the P-value is 0.0062.

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2/3 rd or 0.667th part of an hour passes from 1:35 P.M to 2:15 P.M

To determine the fraction of an hour that passes from 1:35 P.M. to 2:15 P.M., we need to calculate the elapsed time between the two times and express it as a fraction of an hour.

The elapsed time between 1:35 P.M and 2:15 P.M is 40 minutes. To convert minutes to fractions of an hour, we can divide the number of minutes by 60.

40 minutes / 60 minutes per hour = 2/3 hours = 0.67 hours

Therefore, the fraction of an hour that passes from 1:35 P.M. to 2:15 P.M. is 0.67. This means that approximately two-thirds of an hour, or 67% of an hour, has passed between these two times.

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The line that best fits the data has a value of around y=-1.98x+7.97 is False.

A line is defined as a straight, one-dimensional figure that extends infinitely in both directions. It is a basic geometrical object that has no thickness or width, and can be defined as the set of all points that are equidistant from two fixed points, called the endpoints. It is represented by y=mx+c.

given y=-1.98x+7.97

Number of passenger=75

Number of Suitcases=159

75=-1.98×159+7.97

75=-305.26

Hence, the line does not satisfy the data.

The line that best fits the data has a value of around y=-1.98x+7.97 is False.

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Answer: B --3/2

Step-by-step explanation:

-4,8 TO -2,5

You would go down -3 steps first

Then you would go 2 steps.

Not sure if this is right but hopefully it works :D

Answer:

Step-by-step explanation:

2(2x-5) = 18 (FOIL)

4x-10=18

4x = 28

x= 7

Answer:

x = -2

Step-by-step explanation:

2(2x - 5) = -18

Divide both sides by 2.

2x - 5 = -9

Add 5 to both sides.

2x = -4

Divide both sides by 2.

x = -2

The area of the figure  is option (C) 61.12 in².

The area of a triangIe is the region encIosed within the sides of the triangIe. The area of a triangIe varies from one triangIe to another depending on the Iength of the sides and the internaI angIes. The area of a triangIe is expressed in square units, Iike, m2, cm2, in2, and so on.

The area of a circIe is the amount of space encIosed within the boundary of a circIe. The region within the boundary of the circIe is the area occupied by the circIe. It may aIso be referred to as the totaI number of square units inside that circIe. Area of CircIe = πr2 or πd2/4 in square units, where

(Pi) π = 22/7 or 3.14.

r = radius of the circIe

d = diameter of the circIe

Pi (π) is the ratio of circumference to diameter of any circIe. It is a speciaI mathematicaI constant.

Area of triangIe = ½ x B x H

Given Height = 8 in

Given Breath = 9 in

Area of TriangIe = ½ x 8 x 9 = 36 in²

Area of haIf circIe = ½ (pi x r²)

= ½ (3.14 x 16)

= (½ x 50.24) in²

= 25.12 in²

Area of the figure wiII be 36 in² + 25.12 in² = 61.12 in²

Option C wiII be the correct option.

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The area of the figure will be 36 in² + 25.12 in² = 61.12 in². Option C will be the correct option.

What is the Area of CircIe?

The area of a circIe is the amount of space enclosed within the boundary of a circIe. The region within the boundary of the circIe is the area occupied by the circIe. It may aIso be referred to as the total number of square units inside that circle.

Area of CircIe = πr2 or πd2/4 in square units, where

(Pi) π = 22/7 or 3.14.

r = radius of the circIe

d = diameter of the circIe

Pi (π) is the ratio of circumference to diameter of any circIe. It is a speciaI mathematicaI constant.

Area of triangle = ½ x B x H

Given Height = 8 in

Given Breath = 9 in

Area of TriangIe = ½ x 8 x 9 = 36 in²

Area of haIf circIe = ½ (pi x r²)

= ½ (3.14 x 16)

= (½ x 50.24) in²

= 25.12 in²

Therefore, Area of the figure will be 36 in² + 25.12 in² = 61.12 in²

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As per the coordinate, the equation of the tangent line is  y = (-1/2)x - 3.

In this problem, we are given the equation of a circle, x² + y² = 20, which represents all the points on the plane that are equidistant from the origin (0,0) with a distance of √20 or a radius of

=> √20/2 = 2√5.

Now, let's consider point A. We know that it lies on the circle, so it must satisfy the equation x² + y² = 20. Additionally, we are told that its y-coordinate is -4. Using this information, we can substitute y=-4 into the equation of the circle to get

=> x² + (-4)² = 20,

which simplifies to x² = 4.

Thus, point A has coordinates (±2, -4), and we can determine which one is correct by looking at the circle's equation.

Next, let's consider point B. We are told that its x-coordinate is √10. Since point B lies on the circle, it must also satisfy the equation

=> x² + y² = 20.

Using this equation, we can substitute x=√10 to get

=> (√10)² + y² = 20,

which simplifies to y² = 10. Thus, point B has coordinates (√10, ±√10).

To find the y-intercept, we can use the fact that point A lies on the tangent line. Substituting the coordinates of point A into the equation of the tangent line, we get -4 = (-1/2)(±2) + b, which simplifies to b = -3. Thus, the equation of the tangent line at point A is y = (-1/2)x - 3.

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Complete Question:

A point A lies on the circle with the equation x² + y² = 20 and has y-coordinate -4

A point B lies on the circle and has x-coordinate √10

A tangent line set at A intersects the tangent at B at point C

Find the equation of the tangent line.

Answer:

To find the perimeter of a polygon, we add up the lengths of all the sides. In this case, we have a quadrilateral with sides of length y+8, y+7, y+7, and y+8.

Perimeter = (y+8) + (y+7) + (y+7) + (y+8)

Simplifying by combining like terms, we get:

Perimeter = 4y + 30

Therefore, the perimeter of the quadrilateral is 4y + 30.

Answer:

4y + 30

Step-by-step explanation:

To find:-

Answer:-

Perimeter is simply the sum of all sides of any figure. Since here it is a quadrilateral, perimeter would be the sum of all four sides of it .

The four sides given to us are , y+7 , y+8 , y+7 and y+8. We can add them to find out the perimeter as ,

Perimeter = y+7 + y+8 + y+7 + y+8

Perimeter = 4y + 30

Hence the perimeter of the given figure is 4y+30 .

Eve now completes a percent   mile in about 67% less time than she did previously.

In essence, percentages are fractions with a denominator of 100. The cent symbol (%) is placed next to a number to indicate that it is a percentage. As an illustration, if you answered 75 of 100 questions correctly on an examination (75/100), then would have received a score of 75% percent drop (original value − new value) / initial value x 100%).

Let's use "t1" for yesterday's time and "t2" for today.

t1 = 15 minutes, t2 = 5 minutes.

Using the equation, we obtain:

percentage decrease equals (t1 - t2) / (t1 x 100%) percentage decrease equals (15 - 5) / (15 x 100%) percentage decrease equals 10 / (15 x 100%) percentage decrease equals 0.666... x 100% percentage decrease equals 67%

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This means that when the bacteria culture is first created (at 9:00 AM), there are already 300 bacteria present.

What is a graph?

A graph is a visual representation of data or mathematical functions. Graphs are used to present data in a clear and concise manner, making it easier for people to understand and interpret the information being presented.

a. To estimate the number of bacteria at 11 AM, we need to plug in t = 2, since 11 AM is two hours after 9:00 AM. Therefore:

P = 300(2.7)^(0.02*2)

P = 300(2.7)^0.04

P ≈ 369.13

So, there are approximately 369.13 bacteria at 11 AM.

b. To graph the function, we can use a graphing calculator or software. The p-intercept is the point where the graph intersects the y-axis, which occurs when t = 0. We can find the p-intercept by setting t = 0 in the equation:

P = 300(2.7)^(0.02t)

P = 300(2.7)^(0.02*0)

P = 300

Therefore, the p-intercept is (0, 300). This means that when the bacteria culture is first created (at 9:00 AM), there are already 300 bacteria present.

The domain of this situation is all non-negative values of t, since time cannot be negative. The range is all positive values of P, since the number of bacteria is always increasing. Therefore, a reasonable domain for this situation would be [0, ∞) and a reasonable range would be (0, ∞).

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Answer:

C

m= 7 LO= 14 MO= 14

Step-by-step explanation:

LO and NO are going to be the same length



m + 7 = 2m

to get the variable alone subtract m from both sides

7 = m)

plug 7 into both equations

7 + 7 = 14

2 x 7 = 14

Answer:

Step-by-step explanation:

It will take you 8 hours to ski a distance of 24 miles at a speed of 6 miles per 30 minutes. This is because you will have to travel the 24 miles at a rate of 6 miles every 30 minutes, so you will need to travel for 4 hours at this rate to cover the full distance. Thus, it will take you 8 hours to ski the full 24 miles at a rate of 6 miles per 30 minutes.

Answer:

120 minutes / 2 hours

Step-by-step explanation:

time = distance / velocity

[tex]time = \frac{24}{(6/30)} \\time = 120 minutes[/tex]

In response to the stated question, we may state that As a result, Lily has equation 26 images on her inspiration board.

In mathematics, an equation is a statement that states the equivalence of two expressions. An equation consists of two sides separated by an algebraic equation (=). For instance, the argument "2x + 3 = 9" states that the word "2x Plus 3" equals the integer "9". The goal of solving equations is to find the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complex, linear or nonlinear, and contain one or more parts. For example, in the equation "x2 + 2x - 3 = 0," the variable x is raised to the second power. Lines are used in many areas of mathematics, including algebra, calculus, and geometry.

Assume there are x quotations on Lily's board.

According to the issue, the quantity of photographs on Lily's board is four times more than the number of quotes. As a result, the number of photographs may be expressed as 2x + 4.

We also know that there are 37 quotations and photographs on Lily's board. So let us create an equation:

x + (2x + 4) = 37

3x + 4 = 37

3x = 33

x = 11

So Lily's inspiration board contains 11 quotations.

To calculate the number of images, enter x = 11 into the equation we discovered earlier:

2x + 4 = 2(11) + 4 = 26

As a result, Lily has 26 images on her inspiration board.

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Therefore, when the equation  x = 72 - 3x, the value of 2 - 3x is -52.

An equation is a mathematical statement that shows the equality of two expressions. It typically contains one or more variables, which are symbols that can represent any number or value. The expressions on both sides of the equal sign are called the left-hand side (LHS) and the right-hand side (RHS) of the equation. Equations are used to describe relationships between quantities or to solve problems. They can be represented in various forms, including linear equations, quadratic equations, exponential equations, and trigonometric equations. Equations can be solved by performing operations on both sides of the equation to isolate the variable or variables.

Here,

When we are given that x = 72 - 3x, we can solve for x by first adding 3x to both sides of the equation:

x + 3x = 72

Combining like terms, we get:

4x = 72

Dividing both sides by 4, we get:

x = 18

Now that we know x = 18, we can substitute this value into the expression 2 - 3x:

2 - 3x = 2 - 3(18)

2 - 3x = 2 - 54

2 - 3x = -52

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Answer:

B

Step-by-step explanation:

4, 5, and 6 are greater than 3 and they are also less than or equal to 6.